Kamachi Kazuma (鎌池和馬) is a Japanese-born light novel author and the original creator of the Toaru Majutsu no Index light novel series and Toaru Kagaku no Railgun, its spin-off manga series.
4 out of 5 because he tricked me into thinking he could propetly write a female character only for him to go "And the pay-off of this is... A sexual assault joke!".